termux-packages/packages/python/build.sh
2016-09-28 09:47:02 -04:00

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TERMUX_PKG_HOMEPAGE=http://python.org/
TERMUX_PKG_DESCRIPTION="Python 3 programming language intended to enable clear programs"
# lib/python3.4/lib-dynload/_ctypes.cpython-34m.so links to ffi.
# openssl for ensurepip.
# libbz2 for the bz2 module.
# ncurses-ui-libs for the curses.panel module.
TERMUX_PKG_DEPENDS="libandroid-support, ncurses, readline, libffi, openssl, libutil, libbz2, libsqlite, gdbm, ncurses-ui-libs, libcrypt, liblzma"
TERMUX_PKG_HOSTBUILD=true
_MAJOR_VERSION=3.5
TERMUX_PKG_VERSION=${_MAJOR_VERSION}.2
TERMUX_PKG_BUILD_REVISION=5
TERMUX_PKG_SRCURL=http://www.python.org/ftp/python/${TERMUX_PKG_VERSION}/Python-${TERMUX_PKG_VERSION}.tar.xz
# The flag --with(out)-pymalloc (disable/enable specialized mallocs) is enabled by default and causes m suffix versions of python.
# Set ac_cv_func_wcsftime=no to avoid errors such as "character U+ca0025 is not in range [U+0000; U+10ffff]"
# when executing e.g. "from time import time, strftime, localtime; print(strftime(str('%Y-%m-%d %H:%M'), localtime()))"
TERMUX_PKG_EXTRA_CONFIGURE_ARGS="ac_cv_file__dev_ptmx=yes ac_cv_file__dev_ptc=no ac_cv_func_wcsftime=no"
# Avoid trying to include <sys/timeb.h> which does not exist on android-21:
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" ac_cv_func_ftime=no"
# Avoid trying to use AT_EACCESS which is not defined:
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" ac_cv_func_faccessat=no"
# The gethostbyname_r function does not exist on device libc:
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" ac_cv_func_gethostbyname_r=no"
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --build=$TERMUX_HOST_TUPLE --disable-ipv6 --with-system-ffi --without-ensurepip"
# Hard links does not work on Android 6:
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" ac_cv_func_linkat=no"
# Posix semaphores are not supported on Android:
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" ac_cv_posix_semaphores_enabled=no"
TERMUX_PKG_RM_AFTER_INSTALL="lib/python${_MAJOR_VERSION}/test lib/python${_MAJOR_VERSION}/tkinter lib/python${_MAJOR_VERSION}/turtledemo lib/python${_MAJOR_VERSION}/idlelib bin/python${_MAJOR_VERSION}m bin/idle*"
termux_step_host_build () {
# We need a host-built Parser/pgen binary, copied into cross-compile build in termux_step_post_configure() below
$TERMUX_PKG_SRCDIR/configure
make Parser/pgen
# We need a python$_MAJOR_VERSION binary to be picked up by configure check:
make
rm -f python$_MAJOR_VERSION # Remove symlink if already exists to get a newer timestamp
ln -s python python$_MAJOR_VERSION
}
termux_step_pre_configure() {
# Put the host-built python in path:
export TERMUX_ORIG_PATH=$PATH
export PATH=$TERMUX_PKG_HOSTBUILD_DIR:$PATH
}
termux_step_post_configure () {
cp $TERMUX_PKG_HOSTBUILD_DIR/Parser/pgen $TERMUX_PKG_BUILDDIR/Parser/pgen
cp $TERMUX_PKG_HOSTBUILD_DIR/Programs/_freeze_importlib $TERMUX_PKG_BUILDDIR/Programs/_freeze_importlib
$TERMUX_TOUCH -d "next hour" $TERMUX_PKG_BUILDDIR/Parser/pgen
$TERMUX_TOUCH -d "next hour" $TERMUX_PKG_BUILDDIR/Programs/_freeze_importlib
}
termux_step_post_make_install () {
(cd $TERMUX_PREFIX/bin && rm -f python && ln -s python3 python)
(cd $TERMUX_PREFIX/share/man/man1 && rm -f python.1 && ln -s python3.1 python.1)
# Restore path which termux_step_host_build messed with
export PATH=$TERMUX_ORIG_PATH
# Save away pyconfig.h so that the python-dev subpackage does not take it.
# It is required by ensurepip so bundled with the main python package.
# Copied back in termux_step_post_massage() after the python-dev package has been built.
mv $TERMUX_PREFIX/include/python${_MAJOR_VERSION}m/pyconfig.h $TERMUX_PKG_TMPDIR/pyconfig.h
# This makefile is used by pip to compile C code, and thinks that ${TERMUX_HOST_PLATFORM}-gcc
# and other prefixed tools should be used, but we want unprefixed ones.
# Also Remove the specs flag since that is default in the gcc Termux package:
perl -p -i -e "s|${TERMUX_HOST_PLATFORM}-||g,s|${_SPECSFLAG}||g" $TERMUX_PREFIX/lib/python${_MAJOR_VERSION}/config-${_MAJOR_VERSION}m/Makefile
}
termux_step_post_massage () {
# Verify that desired modules have been included:
for module in _ssl _bz2 zlib _curses _sqlite3 _lzma; do
if [ ! -f lib/python${_MAJOR_VERSION}/lib-dynload/${module}.*.so ]; then
echo "ERROR: Python module library $module not built"
exit 1
fi
done
# Restore pyconfig.h saved away in termux_step_post_make_install() above:
mkdir -p $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/include/python${_MAJOR_VERSION}m/
cp $TERMUX_PKG_TMPDIR/pyconfig.h $TERMUX_PREFIX/include/python${_MAJOR_VERSION}m/
mv $TERMUX_PKG_TMPDIR/pyconfig.h $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/include/python${_MAJOR_VERSION}m/
cd $TERMUX_PKG_MASSAGEDIR
find . -path '*/__pycache__*' -delete
}
termux_step_create_debscripts () {
## POST INSTALL:
echo 'echo "Setting up pip..."' > postinst
# Fix historical mistake which removed bin/pip but left site-packages/pip-*.dist-info,
# which causes ensurepip to avoid installing pip due to already existing pip install:
echo "if [ ! -f $TERMUX_PREFIX/bin/pip -a -d $TERMUX_PREFIX/lib/python${_MAJOR_VERSION}/site-packages/pip-*.dist-info ]; then rm -Rf $TERMUX_PREFIX/lib/python${_MAJOR_VERSION}/site-packages/pip-*.dist-info ; fi" >> postinst
# Setup bin/pip:
echo "$TERMUX_PREFIX/bin/python -m ensurepip --upgrade --default-pip" >> postinst
## PRE RM:
# Avoid running on update:
echo 'if [ $1 != "remove" ]; then exit 0; fi' > prerm
# Uninstall everything installed through pip:
echo "pip freeze 2> /dev/null | xargs pip uninstall -y > /dev/null 2> /dev/null" >> prerm
# Cleanup __pycache__ folders:
echo "find $TERMUX_PREFIX/lib/python${_MAJOR_VERSION} -depth -name __pycache__ -exec rm -rf {} \;" >> prerm
# Remove contents of site-packages/ folder:
echo "rm -Rf $TERMUX_PREFIX/lib/python${_MAJOR_VERSION}/site-packages/*" >> prerm
# Remove bin/pip (and bin/pip3* variants) installed by ensurepip in postinst:
echo "rm -f $TERMUX_PREFIX/bin/pip $TERMUX_PREFIX/bin/pip3*" >> prerm
echo "exit 0" >> postinst
echo "exit 0" >> prerm
chmod 0755 postinst prerm
}